More about 65 3/4"OW x 12 1/2''D Round Pembroke Dome, 3''W Trim...
A ceiling dome is a halved spherical structure, with a concave interior that generally extends up and into the ceiling. In a sense, a dome is a series of arches rotated around the vertical axis. In itself, a dome is structurally sound and strong, however, much larger ceiling domes exert much force around their perimeters, requiring extra support with the wall.
A ceiling dome can encompass an entire ceiling or it can simply span a small space, and while the ceiling dome works well on its own, it can prove a focal point for ambient lighting, and hanging objects.
Today's contemporary ceiling domes are inspired by a rich architectural history. The first domes were of simple design and appeared in the Mediterranean, Middle East, and India. The Romans advanced the construction of domes on a larger scale. A fine example is seen in the Greek Pantheon.
Byzantine architects developed the dome further, and inspired both Islamic and Italian Renaissance architects. Renaissance architects raised stunning multi-layered domes, and domes decorated with religious frescoes.
A saucer dome is named as such because it has the appearance of a shallow saucer when viewed from bellow. Saucer ceiling domes are low-pitched in terms of depth. Elliptical domes, named for their elliptical bases, are less common. The Persian, or onion dome, is more than half a sphere and raises to a point. The most famous examples are those seen at the Taj Mahal in Agra, India, and at Saint Basil's Cathedral, in Moscow, Russia.
